Base | Representation |
---|---|
bin | 1000011000011… |
… | …10001011011110 |
3 | 11220022020211222 |
4 | 10030032023132 |
5 | 121000001140 |
6 | 10551013342 |
7 | 1512435131 |
oct | 414161336 |
9 | 156266758 |
10 | 70312670 |
11 | 36764a4a |
12 | 1b66a252 |
13 | 1174ac3c |
14 | 94a4218 |
15 | 628d5b5 |
hex | 430e2de |
70312670 has 32 divisors (see below), whose sum is σ = 128952000. Its totient is φ = 27599616.
The previous prime is 70312667. The next prime is 70312699. The reversal of 70312670 is 7621307.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 176912 + ... + 177308.
It is an arithmetic number, because the mean of its divisors is an integer number (4029750).
Almost surely, 270312670 is an apocalyptic number.
70312670 is a deficient number, since it is larger than the sum of its proper divisors (58639330).
70312670 is a wasteful number, since it uses less digits than its factorization.
70312670 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 692.
The product of its (nonzero) digits is 1764, while the sum is 26.
The square root of 70312670 is about 8385.2650524596. The cubic root of 70312670 is about 412.7412387502.
Adding to 70312670 its reverse (7621307), we get a palindrome (77933977).
The spelling of 70312670 in words is "seventy million, three hundred twelve thousand, six hundred seventy".
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